col1 = ['玩具', '饮料', '唇彩', '眉笔']
col2 = ['眉笔', '粉底液', '手办', '卡片']
col3 = ['手办', '手套', '粉底液', '卡片']

row = [col1, col2, col3]
print(row)
c = row[1]
print(c)
print(c[2])
print(row[1][2])
print(row[-1][-1])